Investigated why, contrary to expectations, group performance in a written test of problem solving was not better than individual performance. Examined protocols of students solving problems in groups and concluded that in much of the group discussion, students passed over right ideas in favor of simpler, but erroneous, ideas. (14 references) (MDH)

How feedback affects small-group processes and group outcomes and how these outcomes vary with computer-assisted or experimenter-assisted modes of supplying feedback were investigated. Feedback theory was conceptualized through a work-emotionality framework. Theoretical constructs were operationalized through the use of Boyd's three-channel mode…